CN216488617U - Combined spliced high-current contact assembly - Google Patents

Abstract

The utility model discloses a combination concatenation formula heavy current contact subassembly, include: at least one electrically conductive contact; the shell assembly is used for partially covering the conductive contacts and comprises at least two sub-shells, a completed installation bin is formed inside the two sub-shells after the two adjacent sub-shells are buckled together, and each conductive contact is installed in the installation bin relatively and independently. The utility model discloses a combination concatenation formula heavy current contact subassembly mainly uses in the current-carrying of complete set distribution drawer module, adopts the combination concatenation mode of cordwood system, realizes the standardized production of product, improves machining efficiency.

Description

Combined spliced high-current contact assembly

Technical Field

The utility model belongs to the technical field of the heavy current contact, concretely relates to combination concatenation formula heavy current contact subassembly.

Background

In all power distribution fields such as data centers, industry, nuclear power, subways and the like, as a main product drawer cabinet in power distribution products, the plug-in contact industry adopts an integral 3P or 4P scheme. For contacts applied to different currents, the difference in size and specification is large, and the degree of standardization is low. Meanwhile, the contact and the vertical busbar are directly inserted, so that the contact resistance is increased due to friction in the use process of the product, and the problem of product failure caused by the temperature rise of the contact is caused.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the standardization level of the large-current contact is low, the utility model provides a combination concatenation formula large-current contact subassembly has improved the standardization level of product.

In order to solve the technical problem, the utility model provides a technical scheme does:

a gang-splice high current contact assembly comprising:

at least one electrically conductive contact;

the shell assembly is used for partially covering the conductive contacts and comprises at least two sub-shells, the sub-shells are buckled together and then internally form a completed installation bin, and each conductive contact is relatively independently installed in the installation bin.

Further, the sub-shell comprises an outer cover and a side wall, the outer cover and the side wall are perpendicular to each other, the side wall is vertically arranged in the middle of the outer cover, and two sides of the side wall and the outer cover enclose an open half of the installation bin respectively.

Further, two adjacent sub-housings are detachably connected together in a buckling mode.

Furthermore, two adjacent sub-shells are respectively provided with a fixing pin and a fixing hole which are matched with each other, and after the fixing pin is inserted into the fixing hole, the two adjacent sub-shells are fixed together.

Furthermore, a first limiting block is arranged on the side wall in a protruding mode in the transverse direction, a clamping groove is formed in the conductive contact, and the first limiting block is inserted into the clamping groove.

Furthermore, the size of the clamping groove is larger than that of the first limiting block, so that the first limiting block has allowance in movement.

Furthermore, a second limiting block is arranged on the outer cover and/or the side wall, a third limiting block is arranged on the conductive contact, and the second limiting block is clamped on the third limiting block to limit the downward movement of the conductive contact.

Furthermore, the second limiting block is L-shaped, and the third limiting block is arranged on the second limiting block in a sliding mode along the horizontal direction.

Furthermore, the conductive contact comprises an n-shaped conductive copper bar.

Furthermore, the conductive contact also comprises at least two elastic pieces, and the two elastic pieces are clamped on two sides of the conductive copper bar.

The utility model has the advantages that:

the combined splicing type large-current contact assembly of the utility model is mainly used for carrying current of a complete set of distribution drawer modules, adopts a building block type combined splicing mode, realizes the standardized production of products and improves the processing efficiency; secondly, because the direction correction function is provided between the sub-shell and the conductive contact, the problem that the temperature rise of the contact is too high due to poor contact when carrying current is solved; thirdly, the combined splicing type large-current contact assembly avoids the increase of contact resistance caused by friction between the drawer module and the vertical busbar in the use process; finally, the combined splicing type large-current contact assembly adopts a buckle type assembly mode, so that the assembly efficiency is improved.

Drawings

Fig. 1 is a schematic perspective view of a combined splicing type high-current contact assembly according to the present invention in a preferred embodiment;

fig. 2 is a schematic perspective view of another angle of the combined spliced high current contact assembly of the present invention in a preferred embodiment;

fig. 3 is a schematic perspective view of the conductive contact of the present invention combined with a sub-housing in a preferred embodiment;

fig. 4 is a side view of the conductive contact of the present invention in combination with a sub-housing in a preferred embodiment;

fig. 5 is a schematic perspective view of a conductive contact according to the present invention in a preferred embodiment.

The reference numerals include:

100-housing assembly 110-sub-housing 111-outer cover

112-side wall 120-mounting bin 130-fastener component

131-fixing pin 132-fixing hole 170-first limiting block

180-second limiting block 200-conductive contact 210-conductive copper bar

220-elastic member 230-clamping groove 240-third limiting block

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 and 2, in a preferred embodiment of the present invention, the combined spliced high current contact assembly is mainly used for carrying current of a complete set of distribution drawer modules, and includes: at least one conductive contact 200; the housing assembly 100 is used for partially covering the conductive contacts 200, and includes at least two sub-housings 110, a completed installation bin 120 is formed inside after two adjacent sub-housings 110 are buckled together, and each conductive contact 200 is installed in the installation bin 120 relatively and independently. This combination concatenation formula heavy current contact subassembly adopts the mode of the equipment of monomer concatenation (3P adopts 3 conductive contact 200 promptly, and 4P adopts 4 conductive contact 200), can satisfy the requirement of the different electric currents of product size, has that the standardization level is high, the design is nimble advantage. The above components are described in further detail below.

The housing assembly 100 includes a plurality of sub-housings 110, and the plurality of sub-housings 110 cooperate in use. The minimum unit of the combined splicing type large-current contact assembly is 1P, and currents with different sizes are combined through different P groups. Specifically, the number of the sub-housings 110 is one more than the number of the conductive contacts 200. For example, in one embodiment, the number of conductive contacts 200 is one, and the number of sub-housings 110 that are used in cooperation therewith should be two. In another embodiment, the number of conductive contacts 200 is three, and the number of sub-housings 110 that are used in cooperation therewith should be four. The sub-housing 110 should be made of an insulating material to satisfy the insulation requirement during the use of the product.

As shown in fig. 2, the sub-housing 110 includes an outer cover 111 and a sidewall 112. The outer cover 111 is integrally formed in an "n" shape and covers the top of the sidewall 112. Specifically, the side wall 112 is vertically disposed at the middle of the outer cover 111, and the side wall 112 and the outer cover 111 are disposed perpendicular to each other. As shown in fig. 3, two sides of the sidewall 112 and the outer cover 111 respectively enclose an open half of the installation chamber 120. When two adjacent sub-housings 110 are combined and spliced together, a finished installation bin 120 can be formed between the two sub-housings 110.

Two adjacent sub-housings 110 are detachably connected together in a buckling mode, so that tool assembly is avoided, and assembly efficiency is improved. Specifically, as shown in fig. 3, a plurality of pairs of fixing pins 131 and fixing holes 132 are respectively disposed on two adjacent sub-housings 110, and after the fixing pins 131 are inserted into the fixing holes 132, the two adjacent sub-housings 110 are fixed together. Preferably, the fixing pin 131 and the fixing hole 132 are each provided with a chamfer to facilitate insertion of the fixing pin 131 into the fixing hole 132.

When the conductive contact 200 is assembled with the sub-housing 110, a direction correction design is adopted to meet the poor contact caused by the dimensional deviation of the product in the using process. As shown in fig. 3 and 4, a first stopper 170 is laterally protruded from the sidewall 112, a slot 230 is disposed on the conductive contact 200, and the first stopper 170 can be inserted into the slot 230 along a horizontal direction. The size of the slot 230 is larger than that of the first stopper 170, so that the first stopper 170 has a margin in movement and has a certain function of correcting dimensional deviation.

The outer cover 111 and the side wall 112 are provided with a second limiting block 180, the conductive contact 200 is provided with a third limiting block 240, and the third limiting block 240 is clamped on the second limiting block 180. The cover 111 and the second stopper 180 limit the conductive contact 200 from moving in a vertical direction. Specifically, the second limiting block 180 is L-shaped, and forms a guide rail with one end (the end close to the side wall 112) closed; the third limiting block 240 is slidably disposed on the second limiting block 180 along a horizontal direction.

As shown in fig. 5, the conductive contact 200 mainly includes a conductive copper bar 210 and an elastic member 220. The conductive copper bar 210 is n-shaped, namely, an arch bridge structure, so that the problem of contact resistance increase caused by friction between the conductive copper bar and a vertical busbar is solved, and the contact reliability is improved.

The number of the elastic members 220 is two, and the two elastic members 220 are clamped at two sides of the conductive copper bar 210. Preferably, the elastic member 220 is a plate spring. The conductive contact 200 adopts the elastic member 220 to provide pressing force, so that the pressure of the conductive contact 200 and the busbar during clamping is ensured, and good contact between the conductive contact 200 and the busbar is ensured.

The combined splicing type large-current contact assembly of the utility model is mainly used for carrying current of a complete set of distribution drawer modules, adopts a building block type combined splicing mode, realizes the standardized production of products and improves the processing efficiency; secondly, because the direction correction function is provided between the sub-shell 110 and the conductive contact 200, the problem of over-high temperature rise caused by poor contact of the contact in current carrying is solved; thirdly, the combined splicing type large-current contact assembly avoids the increase of contact resistance caused by friction between the drawer module and the vertical busbar in the use process; finally, the combined splicing type large-current contact assembly adopts a buckle type assembly mode, so that the assembly efficiency is improved.

The above description is only a preferred embodiment of the present invention, and many changes can be made in the detailed description and the application scope according to the idea of the present invention for those skilled in the art, which all belong to the protection scope of the present invention as long as the changes do not depart from the concept of the present invention.

Claims (10)

1. A combination concatenation formula heavy current contact subassembly which characterized in that includes:

at least one electrically conductive contact (200);

the shell assembly (100) is used for partially covering the conductive contacts (200) and comprises at least two sub-shells (110), a finished installation bin (120) is formed inside after the two adjacent sub-shells (110) are buckled together, and each conductive contact (200) is installed in the installation bin (120) relatively and independently.

2. The modular split high current contact assembly according to claim 1, wherein the sub-housing (110) comprises an outer cover (111) and a side wall (112) which are perpendicular to each other, the side wall (112) is vertically arranged in the middle of the outer cover (111), and two sides of the side wall (112) respectively enclose the outer cover (111) into an open half of the mounting chamber (120).

3. The combined spliced high current contact assembly of claim 1 or 2, wherein adjacent two of the sub-housings (110) are detachably connected together by means of a snap-fit.

4. The combined splicing type high-current contact assembly according to claim 3, wherein the adjacent two sub-housings (110) are respectively provided with a fixing pin (131) and a fixing hole (132), and after the fixing pin (131) is inserted into the fixing hole (132), the adjacent two sub-housings (110) are fixed together.

5. The combined spliced high-current contact assembly as claimed in claim 2, wherein a first stopper (170) is laterally protruded on the side wall (112), a slot (230) is provided on the conductive contact (200), and the first stopper (170) is inserted into the slot (230).

6. The combined spliced high-current contact assembly according to claim 5, wherein the size of the clamping groove (230) is larger than that of the first limiting block (170), so that the first limiting block (170) has allowance for movement.

7. The combined spliced high-current contact assembly as claimed in claim 2, wherein a second stop block (180) is arranged on the outer cover (111) and/or the side wall (112), a third stop block (240) is arranged on the conductive contact (200), and the second stop block (180) is clamped on the third stop block (240) to limit the downward movement of the conductive contact (200).

8. The combined splicing type high-current contact assembly according to claim 7, wherein the second limiting block (180) is L-shaped, and the third limiting block (240) is arranged on the second limiting block (180) in a sliding mode along the horizontal direction.

9. The modular, spliced, high current contact assembly of claim 1, wherein said conductive contact (200) comprises a row of conductive copper (210) in an "n" shape.

10. The combined spliced high-current contact assembly as claimed in claim 9, wherein the conductive contact (200) further comprises at least two elastic members (220), and the two elastic members (220) are clamped on two sides of the conductive copper bar (210).

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